Server Error in '/' Application.

Value cannot be null.
Parameter name: item

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: item

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: item]
   Sitecore.Diagnostics.Assert.ArgumentNotNull(Object argument, String argumentName) +64
   Sitecore.Data.Items.ProcessorItem.op_Implicit(Item item) +30
   Sitecore.Foundation.Custom404Error.Masdar.Pipeline.Masdar404ErrorRequestProcessor.Process(HttpRequestArgs args) in D:\a\1\s\src\masdar-other\Foundation\Masdar_Custom404Error\code\Pipeline\Masdar404ErrorRequestProcessor.cs:31
   (Object , Object ) +14
   Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args) +1268
   Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists) +236
   Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain) +22
   Sitecore.Web.RequestEventsHandler.OnPostAuthenticateRequest(HttpContextBase context) +218
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +223
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +220
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +94


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0